| key specs |
| Strap Colour | Frozen Silver, Thunder Black, and Volcanic Orange | Black, Green, Pink |
| Display Size | 36mm | - |
| Compatible OS | Android, iOS | Android, iOS |
| Dial Shape | Round | Rectangle |
| Display Type | Super AMOLED | - |
| Strap Material | - | Silicone |
| general |
| Brand | Boult Audio | Amazfit |
| Model | Crown R PRO | Bip U |
| Release date | June 19, 2023 | October 15, 2020 |
| Model Name | Crown R Pro | Bip U |
| Dial Colour | Black | Black, Green, Pink |
| Dial Shape | Round | Rectangle |
| Strap Colour | Frozen Silver, Thunder Black, and Volcanic Orange | Black, Green, Pink |
| Water Resistant | IP67 | 5 ATM |
| Strap Material | - | Silicone |
| Size | - | Regular |
| Touchscreen | - | Yes |
| Interchangeable Strap | - | Yes |
| Water Resistance Depth | - | 50 metres |
| Dial Material | - | Polycarbonate |
| dimensions |
| Width | 47 | 35.5 |
| Height | 46 | 40.9 |
| Thickness | 13 | 11.4 |
| Weight (g) | 56.50 | 31.00 |
| product details |
| Sensor | SpO2 sensor, Heart Rate tracker, Sleep tracker, Female health tracker | BioTracker 2 PPG Biological optical sensor, 6-axis acceleration sensor |
| Compatible Device | Android, iOS | Android, iOS |
| Notification | Yes | Yes |
| Notification Type | Smart Notification | - |
| Battery Type | Lithium Ion | - |
| Battery Life | 5 Days | 9 days |
| Charge Time | 2.5 hours | 2 hours |
| Charger Type | Magnetic Charger | 2 Pogo Pin Charger |
| Rechargeable Battery | Yes | - |
| connectivity features |
| Bluetooth | Bluetooth | Yes |
| Bluetooth Version | Bluetooth 5.2 | 5.0 |
| Wi-Fi | - | Yes |
| platform and storage features |
| Compatible Operating System | Android, iOS | Android, iOS |
| Operating System | - | RTOS |
| camera and display features |
| Display Resolution | 466x466 pixels | 320x302 |
| Display Size | 36mm | - |
| Display Type | Super AMOLED | - |
| Other Display Features | 600 nits brightness, Always-on Display | Anti-Fingerprint Coating, 2.5D Corning Gorilla Glass 3 |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Number of Buttons | 1 | 1 |
| Other Fitness Features | Activity Tracker, Breathe, Voice Assistance, Sedentary Reminder, Sleep Monitor, 123+ sports modes | 60 sports modes |
| Other Watch Functions | Alarm Clock, Bluetooth Calling, Voice Assistance, In Built Mic & Speaker, Music Player, Notifications, Phone Call, 150+ watch faces, Find My Feature | 24 hour heart rate monitoring, sleep quality monitoring, blood oxygen level sensor, menstrual cycle tracker |
| Compass | - | Yes |
| Language | - | English |
| audio and video features |
| Speaker | Yes | Yes |
| Microphone | Yes | Yes |
| Other Multimedia Features | - | show notifications, control music, set alarms, remote control the phone’s camera |